An ______ is a basic unit of matter that cannot be broken down by normal chemical reactions.

• Atom

• Molecule

• Compound

• Element

______ is the study of living organisms and their interactions with one another and their environments.

• Biology

• Geology

• Astronomy

• Physics

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

The ______ is a collection of all ecosystems on Earth.

• Biosphere

• Atmosphere

• Lithosphere

• Hydrosphere

A ______ is the smallest fundamental unit of structure and function in living things.

• Cell

• Atom

• Molecule

• Organ

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

A ______ is a set of populations inhabiting a particular area.

• Community

• Ecosystem

• Habitat

• Species

Fill in the blank: An ______ includes all living things in a particular area together with the abiotic, nonliving parts of that environment.

• Ecosystem

• Community

• Population

• Habitat

Tags

NGSS.MS-LS2-3

A ______ is an organism with cells that have nuclei and membrane-bound organelles.

• Eukaryote

• Prokaryote

• Virus

• Bacterium

Tags

NGSS.MS-LS4-2

______ is the process of gradual change in a population that can also lead to new species arising from older species.

• Evolution

• Revolution

• Involution

• Devolution

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

NGSS.MS-LS4-4

Fill in the blank: ______ is the ability of an organism to maintain constant internal conditions.

• Homeostasis

• Photosynthesis

• Metabolism

• Adaptation

A ______ is a large molecule typically formed by the joining of smaller molecules.

• Macromolecule

• Micromolecule

• Nanomolecule

• PicoMolecule

Tags

NGSS.MS-LS1-7